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  <a name="EN-US_TOPIC_0000001853243249"></a><a name="EN-US_TOPIC_0000001853243249"></a>
  <h1 class="topictitle1">Performing Periodic Backup</h1>
  <div>
   <p>After resources to be protected are associated with an SLA, the system protects the resources based on the SLA.</p>
   <div class="section">
    <h4 class="sectiontitle">Precautions</h4>
    <p>If a full backup fails and the next backup is an incremental backup, the incremental backup is automatically converted to a full backup because the incremental backup depends on the copy generated in the last successful full backup.</p>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Prerequisites</h4>
    <p id="EN-US_TOPIC_0000001853243249__en-us_topic_0000001806524390_p17201613205718">Before the backup, ensure that the Exchange Server service and related dependent services are running properly. For details about the corresponding services, see <a href="https://learn.microsoft.com/en-us/exchange/plan-and-deploy/deployment-ref/services-overview?view=exchserver-2019" target="_blank" rel="noopener noreferrer">Overview of Exchange services on Exchange servers</a>.</p>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000001853243249__en-us_topic_0000001839142377_uicontrol26447265316"><b><span id="EN-US_TOPIC_0000001853243249__en-us_topic_0000001839142377_text8644926538"><strong>Protection</strong></span> &gt; <span id="EN-US_TOPIC_0000001853243249__en-us_topic_0000001839142377_text1310114196546"><strong>Applications</strong></span> &gt; <span id="EN-US_TOPIC_0000001853243249__en-us_topic_0000001839142377_text2114145125312"><strong>Exchange</strong></span></b></span>.</span></li>
     <li><span>On the <span class="uicontrol"><b>Single-Node Systems/Availability Groups</b></span> or <span class="uicontrol"><b><span><strong>Databases</strong></span></b></span> tab page, select the single-node system, availability group, or database resource to be protected, and choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Protect</strong></span></b></span>.</span><p></p><p>You can also select multiple resources for batch protection.</p> <p></p></li>
     <li><span>Select an SLA.</span><p></p><p>You can also click <span class="uicontrol"><b><span><strong>Create</strong></span></b></span> to create an SLA.</p> <p></p></li>
     <li><span>Configure advanced parameters for backing up an Exchange single-node system, availability group, or database.</span><p></p>
      <div class="p">
       <a href="#EN-US_TOPIC_0000001853243249__en-us_topic_0000001506038733_table354613271506">Table 1</a> describes the related parameters. 
       <div class="tablenoborder">
        <a name="EN-US_TOPIC_0000001853243249__en-us_topic_0000001506038733_table354613271506"></a><a name="en-us_topic_0000001506038733_table354613271506"></a>
        <table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001853243249__en-us_topic_0000001506038733_table354613271506" frame="border" border="1" rules="all">
         <caption>
          <b>Table 1 </b>Advanced parameters for backing up an Exchange single-node system, availability group, or database
         </caption>
         <colgroup>
          <col style="width:19.75%">
          <col style="width:80.25%">
         </colgroup>
         <thead align="left">
          <tr>
           <th align="left" class="cellrowborder" valign="top" width="19.75%" id="mcps1.3.4.2.4.2.1.2.2.3.1.1"><p>Parameter</p></th>
           <th align="left" class="cellrowborder" valign="top" width="80.25%" id="mcps1.3.4.2.4.2.1.2.2.3.1.2"><p>Description</p></th>
          </tr>
         </thead>
         <tbody>
          <tr>
           <td class="cellrowborder" valign="top" width="19.75%" headers="mcps1.3.4.2.4.2.1.2.2.3.1.1 "><p>Verifying VSS Copy Consistency</p></td>
           <td class="cellrowborder" valign="top" width="80.25%" headers="mcps1.3.4.2.4.2.1.2.2.3.1.2 "><p>After this function is enabled, the integrity of each database file to be backed up is verified to ensure the correctness of the backup data.</p></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" width="19.75%" headers="mcps1.3.4.2.4.2.1.2.2.3.1.1 "><p>Availability Group Backup</p></td>
           <td class="cellrowborder" valign="top" width="80.25%" headers="mcps1.3.4.2.4.2.1.2.2.3.1.2 "><p>This parameter can be set only when you add or modify protection for an availability group or a database in an availability group.</p>
            <ul>
             <li>Back up active database copy</li>
             <li>Back up passive database copy</li>
            </ul></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" width="19.75%" headers="mcps1.3.4.2.4.2.1.2.2.3.1.1 "><p><span><strong>Script to Run Before Backup</strong></span></p></td>
           <td class="cellrowborder" rowspan="3" valign="top" width="80.25%" headers="mcps1.3.4.2.4.2.1.2.2.3.1.2 "><p>You can configure <span><strong>Script to Run Before Backup</strong></span>, <span><strong>Script to Run upon Backup Success</strong></span>, and <span><strong>Script to Run upon Backup Failure</strong></span> only when adding protection for a single-node system or its databases. When the message "ProtectAgent started executing the prerequisite task." is displayed during a backup job, the configured script is executed in the corresponding scenario.</p> <p>Enter a script name that ends with <strong>.bat</strong>. Ensure that the script is stored in the <span class="filepath"><b>DataBackup\ProtectClient\ProtectClient-E\bin/thirdparty</b></span> directory in the database host installation directory and the user (user <strong>Administrator</strong> by default) who has logged in to the database host is permitted to execute the script. If the user has no execution permission, perform the following operations in sequence to grant the permission:</p> <p>Right-click the script and choose <strong>Properties</strong> &gt; <strong>Security</strong>. In the dialog box that is displayed, select the <strong>Administrator</strong> user and click <strong>Edit</strong> to change the permission.</p> <p>The supported script type is <span class="uicontrol"><b>.bat</b></span>.</p>
            <div class="note">
             <span class="notetitle"> NOTE: </span>
             <div class="notebody">
              <ul>
               <li>If <span class="uicontrol"><b><span><strong>Script to Run upon Backup Success</strong></span></b></span> is configured, the status of the backup job is displayed as <span class="uicontrol"><b><span><strong>Succeeded</strong></span></b></span> on the management page even if the script fails to be executed. Check whether the job details contain a message indicating that the post-processing script fails to be executed. If yes, modify the script in a timely manner.</li>
               <li>You can execute custom scripts of the bat type based on your needs before a backup job is executed, after a restoration job is successfully executed, or after a backup job fails to be executed. If the script is stored in the <strong>DataBackup\ProtectClient\ProtectClient-E\bin\thirdparty</strong> directory, you only need to enter the script name. If the script is stored in another directory, you need to enter the absolute path of the script.</li>
              </ul>
             </div>
            </div> <p></p></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" headers="mcps1.3.4.2.4.2.1.2.2.3.1.1 "><p><span><strong>Script to Run upon Backup Success</strong></span></p></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" headers="mcps1.3.4.2.4.2.1.2.2.3.1.1 "><p><span><strong>Script to Run upon Backup Failure</strong></span></p></td>
          </tr>
         </tbody>
        </table>
       </div>
      </div> <p></p></li>
    </ol>
    <ol start="5">
     <li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span><p></p><p>If the current system time is later than the start time of the first backup set in the SLA, you can choose to perform the backup immediately or wait for the next scheduling based on the backup policy set in the SLA after the backup SLA is associated with the resource.</p> <p></p></li>
    </ol>
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  </div>
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    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="en-us_topic_0000001806524370.html">Step 4: Performing the Backup</a>
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